Year	Number of Firms
1992-01-01	117
1997-01-01	124
2002-01-01	132
2003-01-01	143
2004-01-01	149
2005-01-01	155
2006-01-01	155
2007-01-01	162
2008-01-01	177
2009-01-01	162
2010-01-01	164
2011-01-01	159
2012-01-01	184
2013-01-01	174
2014-01-01	165
2015-01-01	176
2016-01-01	172